Category: Physics

What are the normal chromosome numbers of a sperm egg and zygote? Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. An embryo with the wrong number of chromosomes is usually miscarried, or develops disorders such as Down’s syndrome, which is caused by an extra copy of chromosome 21. What […]

Where is stroma found in the body? Stroma (from Greek στρῶμα ‘layer, bed, bed covering’) is the part of a tissue or organ with a structural or connective role….Stroma (tissue) Stroma Prostate under a microscope This image shows the microscopic glands of the prostate Details Part of Connective tissue Identifiers What is the function of […]

What is the definition of electrical energy and examples? Electrical energy is caused by moving electric charges called electrons. The faster the charges move, the more electrical energy they carry. Lightning, batteries and even electric eels are examples of electrical energy in action! … What do you understand by electrical circuit diagram? A circuit diagram […]

Why can a machine never have an efficiency of 100 %? A machine cannot be 100 percent efficient because output of a machine is always less than input. A certain amount of work done on a machine is lost to overcome friction and to lift some moving parts of the machine. Is there a 100 […]

Is energy transferred when two atoms collide? These atoms frequently collide and transfer energy between one another. Therefore, when two atoms collide and start to oscillate, some energy may be transferred to other particles by collisions. If this happens, a stable interaction can form between the two particles; they will “stick” together. At what point […]

What are the five steps of processing a crime scene? Basic Stages for a Crime Scene Investigation — Possible Homicide Approach the Scene. Secure and Protect the Scene. Initiate Preliminary Survey. Evaluate Physical Evidence Possibilities. Prepare a Narrative of the Scene. Capture the Scene Photographically. Prepare the Crime Scene Sketch. Conduct a Detailed Search. What […]

Will an egg crack if you squeeze it? Squeeze an egg in your hand and crush it. Eggs are amazingly strong despite their reputation for being so fragile. An egg can withstand nearly your entire strength as you try to squeeze it. There’s not even a crack! How many pounds of pressure can an egg […]

What is the formula for frequency of light? Divide the speed of light, ~300,000,000 m/s, by the wavelength in m. This gives you the wave’s frequency. What is the frequency of red light? around 430 terahertz Does blue or red light have a higher frequency? Blue light has shorter waves, with wavelengths between about 450 […]

What is the percentage of having a carrier female offspring? A woman who is a carrier has: a 25% (one in four) chance of having a daughter who is a carrier. How does a girl become a carrier of hemophilia? A female who inherits one affected X chromosome becomes a “carrier” of hemophilia. She can […]

What are the 6 organs of UNO? The main bodies of the United Nations are the General Assembly, the Security Council, the Economic and Social Council, the Trusteeship Council, the International Court of Justice, and the UN Secretariat. How many countries are members of the United Nations? 193 Member States Which country is the latest […]